<p><em>VENICE</em> - Venice firefighters will teach adults at this Saturday's Farmers Market how to prevent kitchen fires.</p><p>The demonstrations about fire extinguishers and home safety tips will be from 8:30 a.m. to noon at the downtown market.</p><p>Free bicycle helmets for children will be given away while supplies last. Adults with proof of residency in Sarasota County may be eligible to receive two free smoke detectors.</p>